Question about Philips Magnavox 9P6034C 60" Rear Projection Television

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Picture problem The sound works. The picture goes small & big constantly for the past month.

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  • EJ DAVIS Nov 22, 2007

    What controls stabilizing the picture and i'd like to change it out.

  • Anonymous Nov 24, 2007

    same problem

  • Whiter24 Nov 29, 2007

    my television bounces from small to full size and seems to work fine besides that.... it also is of set to the right a little .... please help.



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If you have any of the following problems you may want to check the site for a repair kit. Most of the issue below are fairly common with the older Magnavox projection sets. 


Screen shrinks and expands - may or may not correct itself after the TV warms up. After a few days, weeks, or months of having the shrinking/expanding problem you may loose all audio/video but the power light will remain lit!

(Note: The below symptoms typicaly occurs after having the expanding/shrinking screen problem above)

Symptom: No Audio or Video but power light is on

Symptom: Audio works but no Video. Power light still work

Symptom: No Video. Audio is intermittent. Power light still works

Posted on Dec 23, 2008

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Philips part# 483520988561 actual part# HCNW136 opto coupler datasheet at can buy many places just enter it on google.
other fixes philips part# 483520987834 actual # MC34065p and philips# 483520987712 actual# SC78104 some change all 3 and never have a problem again.

Posted on Dec 01, 2007


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When you say small do you mean shrunk up top and bottom as well as from side to side. You definitely have a deflection problem either horizontal or vertical.If the picture just shrunk top and bottom you have a vertical deflection problem. Do you have the service manual for your model? If not let me know and I will email you one. Describe the shrinking issue a little more and I should be able to give you some guidance.

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